Does ventilation affect Covid transmission risk?

Researchers have developed a new online tool that can calculate the risk of Covid-19 transmission in poorly-ventilated places, showing that when two people are in such spaces and neither is wearing a mask, prolonged talking is far more likely to spread the novel coronavirus than a short cough. Continue Reading

Supreme Court expresses serious concern on manual scavenging

Expressing serious concern over people dying during manual scavenging and sewage cleaning in India, the Supreme Court today said nowhere in the world people are sent to “gas chambers to die”. Continue Reading